72973716 has 12 divisors (see below), whose sum is σ = 170272032. Its totient is φ = 24324568.

The previous prime is 72973697. The next prime is 72973723. The reversal of 72973716 is 61737927.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3040560 + ... + 3040583.

It is an arithmetic number, because the mean of its divisors is an integer number (14189336).

Almost surely, 2^72973716 is an apocalyptic number.

It is an amenable number.

72973716 is an abundant number, since it is smaller than the sum of its proper divisors (97298316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72973716 is a wasteful number, since it uses less digits than its factorization.

72973716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081150 (or 6081148 counting only the distinct ones).

The product of its digits is 111132, while the sum is 42.

The square root of 72973716 is about 8542.4654520811. The cubic root of 72973716 is about 417.8837539130.

The spelling of 72973716 in words is "seventy-two million, nine hundred seventy-three thousand, seven hundred sixteen".